<template>
  <div>
    <h1>{{message}}</h1>
    <button @click='btn'>翻转。</button>
  </div>
</template>

<script>
export default {
  data () {
    return {
      message: 'wyzzz'
    }
  },
  methods: {
    btn () {
      this.message = this.message.split("").reverse().join("");
    }
  }
}
</script>

<style>
</style>